ICD-10-CM 2027 diagnosis code
S84.801Injury of other nerves at lower leg level, right leg
S84.801 is a header code, so it can't be reported by itself. Choose one of the 3 more specific codes beneath it and add the required 7th character.
Code unchanged since ICD-10-CM took effect on October 1, 2015. Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data
About S84.801
S84.801 is the ICD-10-CM diagnosis code for injury of other nerves at lower leg level, right leg. It belongs to category S84 (injury of nerves at lower leg level), block S80-S89 (injuries to the knee and lower leg) and chapter 19 (injury, poisoning and certain other consequences of external causes). It is a header code, so it can't be reported by itself; one of its 3 subcodes must be used instead.
Within S84.80 (injury of other nerves at lower leg level), S84.801 is specifically for injury of other nerves at lower leg level, right leg. Related codes cover left leg (S84.802) and unspecified leg (S84.809).
Codes in this range require a 7th character: A for initial encounter, D for subsequent encounter and S for sequela. Use placeholder "X" characters to fill any empty positions before the 7th character.
It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.
7th character
The appropriate 7th character is to be added to each code from category S84
Notes that apply from higher levels
Instructions written at a parent level also apply to S84.801.
Broader instructions also apply from S80-S89 Injuries to the knee and lower leg and Chapter 19: Injury, poisoning and certain other consequences of external causes.
Code history
- 2016
- 2017
- 2018
- 2019
- 2020
- 2021
- 2022
- 2023
- 2024
- 2025
- 2026
- 2027
- FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
- No changes since FY2016.
Common questions about S84.801
Is S84.801 billable?
- No. S84.801 is a header code. Report one of its more specific subcodes instead.